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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
// Created on: 1991-10-10
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// Created by: Jean Claude VAUTHIER
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// Copyright (c) 1991-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Convert_CircleToBSplineCurve_HeaderFile
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#define _Convert_CircleToBSplineCurve_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Convert_ConicToBSplineCurve.hxx>
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#include <Convert_ParameterisationType.hxx>
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#include <Standard_Real.hxx>
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class Standard_DomainError;
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class gp_Circ2d;
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//! This algorithm converts a circle into a rational B-spline curve.
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//! The circle is a Circ2d from package gp and its parametrization is :
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//! P (U) = Loc + R * (Cos(U) * Xdir + Sin(U) * YDir) where Loc is the
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//! center of the circle Xdir and Ydir are the normalized directions
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//! of the local cartesian coordinate system of the circle.
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//! The parametrization range for the circle is U [0, 2Pi].
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//!
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//! Warnings :
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//! The parametrization range for the B-spline curve is not [0, 2Pi].
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//!
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//! KeyWords :
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//! Convert, Circle, BSplineCurve, 2D .
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class Convert_CircleToBSplineCurve : public Convert_ConicToBSplineCurve
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! The equivalent B-spline curve has the same orientation
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//! as the circle C.
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Standard_EXPORT Convert_CircleToBSplineCurve(const gp_Circ2d& C, const Convert_ParameterisationType Parameterisation = Convert_TgtThetaOver2);
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//! The circle C is limited between the parametric values U1, U2
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//! in radians. U1 and U2 [0.0, 2*Pi] .
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//! The equivalent B-spline curve is oriented from U1 to U2 and has
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//! the same orientation as the circle C.
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//!
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//! Raised if U1 = U2 or U1 = U2 + 2.0 * Pi
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Standard_EXPORT Convert_CircleToBSplineCurve(const gp_Circ2d& C, const Standard_Real U1, const Standard_Real U2, const Convert_ParameterisationType Parameterisation = Convert_TgtThetaOver2);
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protected:
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private:
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};
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#endif // _Convert_CircleToBSplineCurve_HeaderFile
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